Preview 947,032 permits — every permit Chicago, Austin and Seattle issued in the last ten years. The full load is in progress, so this is how far it has got. Sourced from city open-data portals. Data as of 2026-09-21.

Chicago · permit B101057266

645 N MICHIGAN AVE

**FIRE ALARM PERMIT**ALTERATION OF EXISTING HIGH-RISE FIRE ALARM SYSTEM SERVING CLASS E BUSINESS (SUITES 980 & 990), INCLUDING NEW DEVICES, ON FLOOR 9. ALL NEW DEVICES WILL BE TIED INTO EXISTING CITY OF CHICAGO REQUIRED FIRE ALARM SYSTEM IN THIS BUILDING.

Permit

Permit type
PERMIT – EXPRESS PERMIT PROGRAM
Class
Unknown
Trade
Electrical
Nature of work
Other
Work
Fire Alarm System
Status
COMPLETE

Location

City
Chicago
State
IL

Dates

Applied
2024-08-08
Issued
2024-09-09
Time to issue
32 days

Value and contractor

Declared value
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Total fee
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Contractor
CONTECH - MSI CO.

Chicago details

Review type
EXPRESS PERMIT PROGRAM
Milestone
COMPLETE
Community area (code)
8

Data as of 2026-09-21.

Other permits issued in Chicago, September 2024